Raj kumar rana M.Sc. Floriculture and landscaping from Dr. Y.S. Parmar University of Horti. and Fty.,Nauni, Solan, H.P. INDIA. Subash Chand Parmar M.Sc. Biotechnology from Dr. Y.S. Parmar University of Horti. and Fty.,Nauni,Solan, H.P. INDIA. Pankaj Sharma M.Sc.Biotechnology from Dr. Y.S. Parmar University of Hort,and Fty.,Nauni,Solan,H.P.,INDIA